$OpenBSD: patch-Makefile,v 1.1.1.1 2014/10/25 17:10:14 chrisz Exp $
--- Makefile.orig	Wed Sep  3 01:08:34 2014
+++ Makefile	Wed Sep  3 01:08:38 2014
@@ -75,8 +75,8 @@ tests-%: opam opam-admin opam-check
 doc: all
 	$(MAKE) -C doc
 
-.PHONY: man man-html
-man man-html: opam opam-admin opam-installer
+.PHONY: man html man-html
+man html man-html: opam opam-admin opam-installer
 	$(MAKE) -C doc $@
 
 configure: configure.ac m4/*.m4
